WO1997013901A1 - Metier mecanique a insertion pneumatique du fil de trame - Google Patents

Metier mecanique a insertion pneumatique du fil de trame Download PDF

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Publication number
WO1997013901A1
WO1997013901A1 PCT/CH1995/000230 CH9500230W WO9713901A1 WO 1997013901 A1 WO1997013901 A1 WO 1997013901A1 CH 9500230 W CH9500230 W CH 9500230W WO 9713901 A1 WO9713901 A1 WO 9713901A1
Authority
WO
WIPO (PCT)
Prior art keywords
weft
thread
reed
clamp
scissors
Prior art date
Application number
PCT/CH1995/000230
Other languages
German (de)
English (en)
Inventor
Francisco Speich
Original Assignee
Textilma Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Textilma Ag filed Critical Textilma Ag
Priority to PCT/CH1995/000230 priority Critical patent/WO1997013901A1/fr
Priority to CZ19981105A priority patent/CZ287374B6/cs
Priority to KR10-1998-0702612A priority patent/KR100405631B1/ko
Priority to JP9514593A priority patent/JPH11513445A/ja
Priority to BR9510658A priority patent/BR9510658A/pt
Priority to CA002234464A priority patent/CA2234464C/fr
Priority to ES95932606T priority patent/ES2157343T3/es
Priority to DE59509248T priority patent/DE59509248D1/de
Priority to RU98108446A priority patent/RU2135656C1/ru
Priority to US09/051,568 priority patent/US6014992A/en
Priority to EP95932606A priority patent/EP0854946B1/fr
Priority to TW084110821A priority patent/TW299369B/zh
Publication of WO1997013901A1 publication Critical patent/WO1997013901A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3006—Construction of the nozzles
    • D03D47/302—Auxiliary nozzles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/12—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein single picks of weft thread are inserted, i.e. with shedding between each pick
    • D03D47/125—Weft holding devices
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/27—Drive or guide mechanisms for weft inserting
    • D03D47/277—Guide mechanisms
    • D03D47/278—Guide mechanisms for pneumatic looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3006—Construction of the nozzles
    • D03D47/3013—Main nozzles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3033—Controlling the air supply
    • D03D47/3046—Weft yarn selection
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/34—Handling the weft between bulk storage and weft-inserting means
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D49/00—Details or constructional features not specially adapted for looms of a particular type
    • D03D49/70—Devices for cutting weft threads

Definitions

  • the invention relates to a loom with pneumatic weft insertion.
  • Weft insertion is carried out either by means of a pivotable insertion device mounted on the reed or by means of a stationary entry device mounted on the machine frame.
  • the looms with swiveling insertion device have disadvantages.
  • the weft thread entered in each case is clamped and cut in the area of the reed stop, so that the setting of the blow nozzles in the entry position can only take place while the reed is being reset, which in particular restricts the number of blow nozzles and also requires special control.
  • the reciprocating movement of the reed provided with the insertion device generates relatively high inertial forces, which lead to undesirable vibrations of the moving system, and the weft threads are brought into uncontrolled vibrations as they are fed from the thread feeder into the blow nozzles, so that they cross and impose each other.
  • the invention has for its object to improve a weaving machine with pneumatic weft insertion so that the disadvantages mentioned do not occur.
  • FIG. 1 shows an embodiment of a weaving machine according to the invention with air intake in a schematic representation
  • FIG. 2 shows a sectional side view of the weft insertion area of the weaving machine
  • 3 shows a section along the line III-III in FIG. 2
  • FIG. 8 shows an embodiment of a control device for the blowing nozzles
  • FIG. 10 shows the section according to FIG. 9, which represents the situation when the weft thread is clamped
  • FIG. 11 shows the section according to FIG. 9, which represents the situation when the weft thread is cut and
  • FIG. 12 shows the section according to FIG. 9, which represents the situation with the blade stop.
  • the weaving machine in question contains a machine frame 1, a warp beam 2 from which warp threads 3, 4 are let down, a match beam 5, a shedding device 6, an arrangement 7 for inserting weft threads, a reed 8, a goods take-off 9 and a goods tree 10
  • the shedding device 6 forms An upper and lower compartment 11, 12 with warp threads 3, 4 via healds.
  • the arrangement 7 contains a pneumatic weft insertion device 14 and a pair of scissors 15, a thread clamp 16 and a blowing aid 17, which are arranged in the thread running direction between the insertion device 14 and the reed 8.
  • the entry device 14 is mounted on the machine frame 1.
  • the scissors 15 and the thread clamp 16 are coupled to the reed 8.
  • the blowing aid 17 is connected to the reed 8.
  • the insertion device 14 contains a support part 21, eight blow nozzles 22, a nozzle block 23, a holder 24 and an actuating device 25.
  • the support part 21 is fastened to the machine frame 1 by means of screws 26.
  • the blowing nozzles 22 are arranged in pairs and are operatively connected to a compressed air source and a weft thread store.
  • the blowing nozzles 22 are detachably mounted on one side in the nozzle block 23.
  • the holder 24 for the nozzle block is connected to the support part 21.
  • Actuating device 25 is connected to the shedding device 6 via a kinematic element 27 in order to place the blowing nozzles 22 in the firing position.
  • the nozzle block 23 and the holder 24 are designed in such a way that the mouth of the blowing nozzles can be pivoted about directions running at right angles to one another.
  • a spring 28 is provided which holds the kinematic organ 27 under tension.
  • a drive arrangement can be provided, which is controlled via a control device known per se, in order to set the blow nozzles in the entry position.
  • the reed 8 is mounted on a leaf bar 31.
  • a thread guide device 32 is attached to the sheet bar.
  • the guide device 32 contains an air supply part 33, which is mounted on the sheet bar, a plurality of lamellae 34, which are arranged in the manner of a comb and each have a recess 35, in order to determine a guide channel 36 and relay nozzles 37 to promote the registered weft thread 38 through the guide channel.
  • a so-called tunnel weave with relay nozzles can be used.
  • the blowing aid 17 is used with advantage in the weaving machine in question here.
  • the blowing aid is a plate-shaped body 41 with a conical penetration 42 and with an outlet slot 43.
  • the body 41 is fastened to the air guide part 33.
  • the thread clamp 16 has a clamping finger 45 and a clamping jaw 46, each of which is provided with a plate 47 for holding the weft thread.
  • the clamping finger is articulated on an axis 48 which is arranged on the machine frame 1.
  • the clamping jaw 46 is connected directly to the reed 7 and / or the sley.
  • a return spring 49 is provided for the clamping finger, which rests on the one hand on the machine frame 1 and on the other hand on the clamping finger.
  • a stop part 50 is mounted on the machine frame 1 in order to fix the position of the clamping finger (FIG. 5).
  • the scissors 15 have a stationary and a movable scissor blade 51, 52.
  • the stationary scissor blade 51 is on Machine frame 1 attached.
  • the movable scissor blade 52 is mounted on the reed 8 (Fig. 6).
  • FIG. 7 shows the assignment of the blow nozzles to the guide channel 36 determined by the lamellae 34.
  • An essential feature of the weaving machine is that the respective pair of blow nozzles is aligned essentially parallel to the center line of the guide channel 36 when the guide channel assumes the entry position .
  • the blowing nozzles 22 are adjusted by the actuating device 25 and the kinematic organ 27.
  • the blowing nozzle 12 can be arranged in a bundle shape.
  • the shedding device 6 comprises e.g. a jacquard device or a dobby, a color control device 56, a summing gear 57 and a one-armed lever 58 which is articulated on the machine frame 1.
  • a jacquard device or a dobby e.g. a jacquard device or a dobby
  • a color control device 56 e.g. a color control device 56
  • a summing gear 57 e.g. a summing gear 57
  • a one-armed lever 58 which is articulated on the machine frame 1.
  • Such summation gears and their function are known, so that a description thereof is omitted.
  • the kinematic element 27, which is connected to the actuating device 25, is fastened to the lever 58.
  • FIG 9 shows the situation during the insertion of a weft thread 38.
  • the blowing nozzle 22 is set in the insertion position.
  • the reed 8 is in the retracted position, the scissors 15 and the thread clamp 16 are in the open position and the weft thread is injected into the guide channel 36 of the thread guide device 32 by the blowing aid 17.
  • the reed 8 is pivoted in the direction of the stop position in accordance with the machine cycle and the inserted weft 38 is advanced through the reed 8. Because the clamping jaw 46 of the thread clamp 16 is connected to the reed 8, the clamping jaw 46 is pivoted against the clamping finger 45 and the weft thread 38 is clamped between the plates 47. The clamping finger 45 is subsequently pivoted by the clamping jaws 46 against the force of the spring 49, the weft thread 38 being held (FIG. 10).
  • the weft 38 is cut because the scissor blade 52 connected to the reed 8 is moved against the stationary scissor blade 51. This provides a new weft thread for entry. After cutting, the weft 38 is moved synchronously with the reed 8 by the thread clamp 16 (FIG. 11).
  • the reed 8 is then pivoted into the retracted position. With this pivoting movement, the clamping jaws 46 are pivoted with the reed. The clamping finger 45 follows the clamping jaw 46 due to the force of the spring 49 until it abuts the stop part 50. The clamping jaws 46 are moved further with the reed 8 and thus the thread clamp is opened for the subsequent weft insertion (FIG. 5).
  • the weft 38 is thus inserted into the guide channel 36 by the stationary weft insertion device 14 and held, cut and beaten during the pivoting of the reed 8.
  • This has a number of advantages. Due to the stationary insertion device, the supply of the weft from a weft feeder is safer and the period for adjusting the blowing nozzle in the insertion position is substantially extended, so that up to sixteen weft threads of different colors and types can be inserted.
  • the holding and the synchronous movement of the inserted weft thread with the reed up to the stop ensures that the weft thread is struck correctly, the protruding weft end sections being short and little waste occurring.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Abstract

L'invention concerne un métier mécanique qui contient un peigne (8) et un dispositif de guidage du fil de trame (32) qui sont interconnectés et peuvent pivoter entre une position d'insertion et une position de butée. Pour insérer la trame, il est prévu un dispositif d'insertion approprié (14) monté fixe, qui comprend au moins une buse de projection (22) pour insérer un fil de trame (38) dans le canal de guidage (36), une pince pour fil (16) et des ciseaux (15). La pince pour fil est accouplée au peigne, afin de pincer un fil de trame (38) inséré et de le faire passer, de manière synchrone avec le canal de guidage (36), du point d'insertion au point de butée, et les ciseaux (15) sont placés en aval de la pince pour fil (16) dans le sens de butée, afin que le fil de trame puisse être coupé immédiatement après pinçage. La disposition fixe du dispositif d'insertion et l'adjonction fonctionnelle au peigne de la pince pour fil et des ciseaux permettent de simplifier le mode de commande de manière à pouvoir insérer jusqu'à seize fils de trame différents.
PCT/CH1995/000230 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame WO1997013901A1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
PCT/CH1995/000230 WO1997013901A1 (fr) 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame
CZ19981105A CZ287374B6 (en) 1995-10-10 1995-10-10 Weaving loom with pneumatic weft thread insertion
KR10-1998-0702612A KR100405631B1 (ko) 1995-10-10 1995-10-10 공압식씨실삽입장치를구비한기계식직기
JP9514593A JPH11513445A (ja) 1995-10-10 1995-10-10 空気式緯糸挿入機構を具えた織機
BR9510658A BR9510658A (pt) 1995-10-10 1995-10-10 Máquina de tecelagem com inserção pneumática de fio da trama
CA002234464A CA2234464C (fr) 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame
ES95932606T ES2157343T3 (es) 1995-10-10 1995-10-10 Telar mecanico con insercion neumatica del hilo de trama.
DE59509248T DE59509248D1 (de) 1995-10-10 1995-10-10 Webmaschine mit pneumatischer schussfadeneintragung
RU98108446A RU2135656C1 (ru) 1995-10-10 1995-10-10 Ткацкая машина с пневматической прокидкой утка
US09/051,568 US6014992A (en) 1995-10-10 1995-10-10 Mechanical loom with pneumatic weft thread insertion with synchronized clamp cutter and reed
EP95932606A EP0854946B1 (fr) 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame
TW084110821A TW299369B (en) 1995-10-10 1995-10-14 Webmaschine mit pneumatischer schussfaden-eintragung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH1995/000230 WO1997013901A1 (fr) 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame

Publications (1)

Publication Number Publication Date
WO1997013901A1 true WO1997013901A1 (fr) 1997-04-17

Family

ID=4549979

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1995/000230 WO1997013901A1 (fr) 1995-10-10 1995-10-10 Metier mecanique a insertion pneumatique du fil de trame

Country Status (12)

Country Link
US (1) US6014992A (fr)
EP (1) EP0854946B1 (fr)
JP (1) JPH11513445A (fr)
KR (1) KR100405631B1 (fr)
BR (1) BR9510658A (fr)
CA (1) CA2234464C (fr)
CZ (1) CZ287374B6 (fr)
DE (1) DE59509248D1 (fr)
ES (1) ES2157343T3 (fr)
RU (1) RU2135656C1 (fr)
TW (1) TW299369B (fr)
WO (1) WO1997013901A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998045517A1 (fr) * 1997-04-09 1998-10-15 Textilma Ag Metier a tisser avec insertion pneumatique du fil de trame
WO1998054385A1 (fr) * 1997-05-28 1998-12-03 Picanol N.V. Systeme d'insertion pour un metier a tisser
WO2005047582A1 (fr) * 2003-10-13 2005-05-26 Bst Safety Textiles Gmbh Procede et dispositif de tissage

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1014192A3 (nl) * 2001-05-21 2003-06-03 Picanol Nv Inrichting en werkwijze voor het inbrengen van inslagdraden bij een weefmachine, alsmede daardklem daarbij aangewend.
BE1014191A3 (nl) * 2001-05-21 2003-06-03 Picanol Nv Draadklem voor een weefmachine en weefmachine die dergelijke draadklem bevat.
BE1016183A3 (nl) * 2004-09-08 2006-04-04 Picanol Nv Werkwijze en inrichting voor het klemmen van een inslagdraad bij een weefmachine.
DE502006003130D1 (de) * 2005-10-05 2009-04-23 Textilma Ag Webmaschine mit pneumatischer schusseintragung
US20080271807A1 (en) * 2006-09-07 2008-11-06 Sultex Ag Method and a stretching device for the holding of a weft thread
JP2011122263A (ja) * 2009-12-10 2011-06-23 Tsudakoma Corp ゴム補強用織物製織用織機におけるタックイン耳形成装置
CN110004571B (zh) * 2019-04-12 2022-01-07 江门市泰林精密机械有限公司 一种自动化网面接缝机
CN115874340A (zh) * 2022-12-16 2023-03-31 广东康特斯织造装备有限公司 一种纱线剪切装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2047286A (en) * 1979-04-25 1980-11-26 Rueti Te Strake Bv Jet looms
DE3204007A1 (de) * 1982-02-05 1983-08-11 Guenne Webmaschf Gmbh Vorrichtung und verfahren zum einblasen verschiedenfarbiger schussfaeden bei luftduesen-webmaschinen
EP0120429A1 (fr) * 1983-03-25 1984-10-03 ROJ ELECTROTEX S.p.A. Présentateur de fils de trame pour métiers à tisser
EP0160117A1 (fr) * 1984-04-21 1985-11-06 Günne Webmaschinenfabrik GmbH & Co. KG Dispositif d'insertion de trame pour métiers à tisser et procédé pour l'insertion pneumatique de longueurs de trame
EP0284766A1 (fr) * 1987-03-09 1988-10-05 Picanol N.V. Procédé pour couper un fil de trame inséré et dispositif de coupage
EP0318802A1 (fr) * 1987-12-01 1989-06-07 Lindauer Dornier Gesellschaft M.B.H Système d'insertion de la trame pour machines à tisser pneumatiques avec au moins deux tuyères réunies en faisceau

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1324932A (fr) * 1961-12-14 1963-04-26 Perfectionnements aux métiers à tisser
NL7314025A (nl) * 1973-10-11 1975-04-15 Rueti Te Strake Bv Weefmachine, voorzien van een met een stromend m werkende meervoudige inslagtransporteur, icht voor het weven van meerdere kleuren ggaren.
BE1001718A3 (nl) * 1988-06-02 1990-02-13 Picanol Nv Werkwijze voor het aanbrengen van een juiste lengte inslagdraad in straalmondstukken van weefmachines en weefmachine die deze werkwijze toepast.
BE1002532A4 (nl) * 1988-10-03 1991-03-12 Picanol Nv Inrichting en werkwijze voor het aanbrengen en geleiden van inslagdraad bij weefmachines.
DE4443899C1 (de) * 1994-12-09 1995-11-23 Dornier Gmbh Lindauer Webmaschine mit einer Kombination aus Schneidvorrichtung und Einleger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2047286A (en) * 1979-04-25 1980-11-26 Rueti Te Strake Bv Jet looms
DE3204007A1 (de) * 1982-02-05 1983-08-11 Guenne Webmaschf Gmbh Vorrichtung und verfahren zum einblasen verschiedenfarbiger schussfaeden bei luftduesen-webmaschinen
EP0120429A1 (fr) * 1983-03-25 1984-10-03 ROJ ELECTROTEX S.p.A. Présentateur de fils de trame pour métiers à tisser
EP0160117A1 (fr) * 1984-04-21 1985-11-06 Günne Webmaschinenfabrik GmbH & Co. KG Dispositif d'insertion de trame pour métiers à tisser et procédé pour l'insertion pneumatique de longueurs de trame
EP0284766A1 (fr) * 1987-03-09 1988-10-05 Picanol N.V. Procédé pour couper un fil de trame inséré et dispositif de coupage
EP0318802A1 (fr) * 1987-12-01 1989-06-07 Lindauer Dornier Gesellschaft M.B.H Système d'insertion de la trame pour machines à tisser pneumatiques avec au moins deux tuyères réunies en faisceau

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998045517A1 (fr) * 1997-04-09 1998-10-15 Textilma Ag Metier a tisser avec insertion pneumatique du fil de trame
US6223779B1 (en) 1997-04-09 2001-05-01 Textilma Ag Auxiliary selvage forming and weft thread cutting device
WO1998054385A1 (fr) * 1997-05-28 1998-12-03 Picanol N.V. Systeme d'insertion pour un metier a tisser
BE1011183A3 (nl) * 1997-05-28 1999-06-01 Picanol Nv Insertiesysteem voor een weefmachine.
CN1083023C (zh) * 1997-05-28 2002-04-17 皮克诺尔公司 织机用的引纬装置
WO2005047582A1 (fr) * 2003-10-13 2005-05-26 Bst Safety Textiles Gmbh Procede et dispositif de tissage

Also Published As

Publication number Publication date
KR19990064131A (ko) 1999-07-26
CA2234464A1 (fr) 1997-04-17
ES2157343T3 (es) 2001-08-16
JPH11513445A (ja) 1999-11-16
BR9510658A (pt) 1999-01-05
RU2135656C1 (ru) 1999-08-27
DE59509248D1 (de) 2001-06-13
CA2234464C (fr) 2004-09-14
KR100405631B1 (ko) 2004-03-20
CZ287374B6 (en) 2000-11-15
TW299369B (en) 1997-03-01
EP0854946B1 (fr) 2001-05-09
CZ110598A3 (cs) 1998-07-15
US6014992A (en) 2000-01-18
EP0854946A1 (fr) 1998-07-29

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